<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.11.3.min.js">
</script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    $.post("http://localhost:52874/isExist",
    {
      "name":"test"
    },
    function(data){
      alert("数据:" + data);
    });
  });
});
</script>
</head>
<body>

<button>向页面发送 HTTP POST 请求，并获得返回的结果</button>

</body>
</html>
